Information processing apparatus and license distribution...

Data processing: financial – business practice – management – or co – Business processing using cryptography – Usage protection of distributed data files

Reexamination Certificate

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Details

C705S051000, C713S156000, C713S157000, C713S158000, C713S185000, C709S219000, C709S229000, C725S109000, C725S141000

Reexamination Certificate

active

07912787

ABSTRACT:
There are provided an information processing apparatus and a license distribution system including the information processing apparatus in which the reproduction or duplication of a content can be limited to the interior of a domain and a benefit based on the fact that an external device has participated in the domain can be made available at the time of reissuing a license.A reproducing device1transmits a request for reissuing the license for permitting the reproduction of the content in the domain, and participation information (S201). A server2receives the request for reissuing the license and the participation information (S202), and confirms validity of the transmitted participation information (S203). When the validity of the participation information is confirmed, the server2determines information on a specific privilege related to the license, transmits the information to the external device (S206), and reissues the license (S210).

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